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from one to two / from one to two

from one to two
from one to two

The original bucket with only one handle, to mention a big barrel of water if a person is more arduous, and the bucket is designed on the basis of the original bucket can let a handle into two,so that two people each have a handle, a big barrel of water can be two people easily. Redesigned bucket is installed on the handle of the fixed place of a button, as long as the
press of a button, the handle of the bucket is from one into two, and then click on the, the handle is made up of two close two for one, because the handle of the material can be attracted to each other, have magnetic, so very strong together and do not crack.

University

Lanzhou University of Technology

Lanzhou University of Technology
Lanzhou, China

Yanli Yao ,
Lanzhou University of Technology